A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'.

zetlyn/cve-nvd vulnerability cve CVE-2020-0796 cpe cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:arm64:* cpe cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x64:* cpe cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x86:* cpe cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:arm64:* cpe cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:x64:* cpe cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:x86:* cpe cpe:2.3:o:microsoft:windows_server_1903:-:*:*:*:*:*:x64:* cpe cpe:2.3:o:microsoft:windows_server_1909:-:*:*:*:*:*:x64:* known 2020-03-12

https://nvd.nist.gov/vuln/detail/CVE-2020-0796

Properties

cvss	10 receipt Source NVD Its words `10.0` Read by `field:cve.metrics.cvssMetricV31[].cvssData.baseScore` Said since 2026-10-02 12:00 UTC Last answered 2026-10-04 18:16 UTC Original open at the source What the source handed over { "cve": { "affected": [ { "affectedData": [ { "product": "Windows 10 Version 1903 for 32-bit Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1903 for x64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1903 for ARM64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows Server, version 1903 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1909 for 32-bit Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1909 for x64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1909 for ARM64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows Server, version 1909 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] } ], "source": "secure@microsoft.com" } ], "cisaActionDue": "2022-08-10", "cisaExploitAdd": "2022-02-10", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Microsoft SMBv3 Remote Code Execution Vulnerability", "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:microsoft:windows_10_1903:-::::::arm64:", "matchCriteriaId": "9E1ED169-6F03-4BD5-B227-5FA54DB40AD7", "vulnerable": true }, { "criteria": "cpe:2.3:o:microsoft:windows_10_1903:-::::::x64:", "matchCriteriaId": "5C5B5180-1E12-45C2-8275-B9E528955307", "vulnerable": true }, { "criteria": "cpe:2.3:o:microsoft:windows_10_1903:-::::::x86:", "matchCriteriaId": "B6A0DB01-49CB-4445-AFE8-57C2186857BA", "vulnerable": true }, { "criteria": "cpe:2.3:o:microsoft:windows_10_1909:-::::::arm64:", "matchCriteriaId": "9285A9B5-4759-43E7-9589-CDBCA7100605", "vulnerable": true }, { "criteria": "cpe:2.3:o:microsoft:windows_10_1909:-::::::x64:", "matchCriteriaId": "0D77EA14-F61D-4B9E-A385-70B88C482116", "vulnerable": true }, { "criteria": "cpe:2.3:o:microsoft:windows_10_1909:-::::::x86:", "matchCriteriaId": "1A6FC9EE-D486-4AFE-A20E-4278468A1779", "vulnerable": true }, { "criteria": "cpe:2.3:o:microsoft:windows_server_1903:-::::::x64:", "matchCriteriaId": "FFE3495D-291C-46B6-B758-23E16A53A7C3", "vulnerable": true }, { "criteria": "cpe:2.3:o:microsoft:windows_server_1909:-::::::x64:", "matchCriteriaId": "11E7F8F0-4FA8-4AA6-92A5-860E77AC933D", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'." }, { "lang": "es", "value": "Existe una vulnerabilidad de ejecución de código remota en la manera en que el protocolo Microsoft Server Message Block (SMBv3) versión 3.1.1, maneja determinadas peticiones, también se conoce como ''Windows SMBv3 Client/Server Remote Code Execution Vulnerability\"." } ], "id": "CVE-2020-0796", "lastModified": "2026-10-01T20:17:17.727", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary" }, { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": 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"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0796" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/156731/CoronaBlue-SMBGhost-Microsoft-Windows-10-SMB-3.1.1-Proof-Of-Concept.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/156732/Microsoft-Windows-SMB-3.1.1-Remote-Code-Execution.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/156980/Microsoft-Windows-10-SMB-3.1.1-Local-Privilege-Escalation.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/157110/SMBv3-Compression-Buffer-Overflow.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/157901/Microsoft-Windows-SMBGhost-Remote-Code-Execution.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/158054/SMBleed-SMBGhost-Pre-Authentication-Remote-Code-Execution-Proof-Of-Concept.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0796" }, { "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": [ "US Government Resource" ], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0796" } ], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Analyzed", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-119" } ], "source": "nvd@nist.gov", "type": "Primary" 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product	Windows 10 Version 1903 for 32-bit Systems receipt Source NVD Its words `Windows 10 Version 1903 for 32-bit Systems` Read by `field:cve.affected[].affectedData[].product` Said since 2026-10-02 12:00 UTC Last answered 2026-10-04 18:16 UTC Original open at the source What the source handed over { "cve": { "affected": [ { "affectedData": [ { "product": "Windows 10 Version 1903 for 32-bit Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1903 for x64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1903 for ARM64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows Server, version 1903 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1909 for 32-bit Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1909 for x64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1909 for ARM64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows Server, version 1909 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] } ], "source": "secure@microsoft.com" } ], "cisaActionDue": "2022-08-10", "cisaExploitAdd": "2022-02-10", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Microsoft SMBv3 Remote Code Execution Vulnerability", "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:microsoft:windows_10_1903:-::::::arm64:", "matchCriteriaId": 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"secure@microsoft.com", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0796" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/156731/CoronaBlue-SMBGhost-Microsoft-Windows-10-SMB-3.1.1-Proof-Of-Concept.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/156732/Microsoft-Windows-SMB-3.1.1-Remote-Code-Execution.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/156980/Microsoft-Windows-10-SMB-3.1.1-Local-Privilege-Escalation.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory", "VDB Entry" ], "url": 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status	Analyzed receipt Source NVD Its words `Analyzed` Read by `field:cve.vulnStatus` Said since 2026-10-02 12:00 UTC Last answered 2026-10-04 18:16 UTC Original open at the source What the source handed over { "cve": { "affected": [ { "affectedData": [ { "product": "Windows 10 Version 1903 for 32-bit Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1903 for x64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1903 for ARM64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows Server, version 1903 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1909 for 32-bit Systems", "vendor": "Microsoft", "versions": [ { "status": 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vendor	Microsoft receipt Source NVD Its words `Microsoft` Read by `field:cve.affected[].affectedData[].vendor` Said since 2026-10-02 12:00 UTC Last answered 2026-10-04 18:16 UTC Original open at the source What the source handed over { "cve": { "affected": [ { "affectedData": [ { "product": "Windows 10 Version 1903 for 32-bit Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1903 for x64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1903 for ARM64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows Server, version 1903 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1909 for 32-bit Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1909 for x64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows 10 Version 1909 for ARM64-based Systems", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] }, { "product": "Windows Server, version 1909 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "unspecified" } ] } ], "source": "secure@microsoft.com" } ], "cisaActionDue": "2022-08-10", "cisaExploitAdd": "2022-02-10", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Microsoft SMBv3 Remote Code Execution Vulnerability", "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:microsoft:windows_10_1903:-::::::arm64:", "matchCriteriaId": "9E1ED169-6F03-4BD5-B227-5FA54DB40AD7", "vulnerable": true }, { 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"PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary" }, { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", 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Text

A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'. Existe una vulnerabilidad de ejecución de código remota en la manera en que el protocolo Microsoft Server Message Block (SMBv3) versión 3.1.1, maneja determinadas peticiones, también se conoce como ''Windows SMBv3 Client/Server Remote Code Execution Vulnerability".